Engineering Inc., Volume 24, Number 4 (ISSN 1539-2694), is published bi-monthly by the American Council of Engineering Companies (ACEC), 1015 15th Street, NW, 8th Floor, Washington, D.C. 20005-2605. Periodicals postage paid at Washington, D.C., and at additional mailing offices. Annual subscriptions are $24 for members (included in dues as a non-deductible amount); $45 for U.S. non-members; $65 for institutional subscriptions. Back issues are $15.

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